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Performance and Emission Analysis on C.I Engine with Palm Oil Biodiesel Blends at Different Fuel Injection Pressures

R.Samsukumar, M.Muaralidhararao, A. Gopala Krishna, Y.Jayaraju, P.Surya Sri Vatsav, VH Manikanta, SVVSatish, SAC Bhuvannaidu

In the present days the price and usage of petroleum products are increased more and more, due to this the search of alternative fuels has gain more importance in order to replace it. Coming to the diesel engines the best alternative fuel is Biodiesel, because it can be used directly without changing the engine modifications. The methyl esters of vegetable oil are known as Biodiesel. That means the fatty acids present in the vegetable oil are mainly responsible for the production of Biodiesel. The methyl esters of palm oil can be derived through Transesterification process. Experiments have carried out to examine the properties of palm oil biodiesel, performance and emissions of the engine with different blends (20%PBD, 40%PBD, 80%PBD, and 100% PBD) at different fuel injection pressures (190, 210, and 230bar) and the results obtained are compared with diesel (base line test values). A “computerized variable compression ratio multi fuel direct injection water cooled engine” is used for the performance analysis. The main parameters considered for the performance analysis were Brake power and Brake thermal efficiency. Indus Six Gas Smoke analyzer and Smoke Meter were used for Emission analysis. The parameters considered for the emissions analysis were percentages of Carbon monoxide (CO) and Nitrogen oxides (NOx), because those are the very dangerous gases.